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ocfs2: turn __ocfs2_remove_inode_range() into ocfs2_remove_btree_range()

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This patch genericizes the high level handling of extent removal.
ocfs2_remove_btree_range() is nearly identical to
__ocfs2_remove_inode_range(), except that extent tree operations have been
used where necessary. We update ocfs2_remove_inode_range() to use the
generic helper. Now extent tree based structures have an easy way to
truncate ranges.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Acked-by: Joel Becker <joel.becker@oracle.com>
This commit is contained in:
Mark Fasheh
2008-11-12 15:16:38 -08:00
parent 85db90e778
commit fecc01126d
3 changed files with 82 additions and 80 deletions
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5
fs/ocfs2/alloc.h
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@@ -110,6 +110,11 @@ int ocfs2_remove_extent(struct inode *inode,
u32 cpos, u32 len, handle_t *handle,
struct ocfs2_alloc_context *meta_ac,
struct ocfs2_cached_dealloc_ctxt *dealloc);
int ocfs2_remove_btree_range(struct inode *inode,
struct ocfs2_extent_tree *et,
u32 cpos, u32 phys_cpos, u32 len,
struct ocfs2_cached_dealloc_ctxt *dealloc);
int ocfs2_num_free_extents(struct ocfs2_super *osb,
struct inode *inode,
struct ocfs2_extent_tree *et);